.page-contact {
  --co-gap: clamp(14px, 2.2vw, 22px);
  --co-pad-y: clamp(48px, 7vw, 92px);
  --co-ring: rgba(255, 255, 255, .62);
  background-color: var(--c-paper);
  color: var(--c-ink);
  overflow-x: hidden;
}

.page-contact summary {
  list-style: none;
  cursor: pointer;
}

.page-contact summary::-webkit-details-marker {
  display: none;
}

.page-contact .co-crumb {
  padding-top: 16px;
  padding-bottom: 4px;
}

/* ---------- shared section head ---------- */
.page-contact .co-head {
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-contact .co-head__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.28;
  letter-spacing: -.01em;
  margin: 10px 0 0;
  max-width: 22em;
}

.page-contact .co-head__lede {
  margin: 12px 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--c-graphite);
}

.page-contact .co-head--dark .co-head__title {
  color: var(--c-white);
}

.page-contact .co-head--dark .co-head__lede {
  color: rgba(246, 244, 239, .72);
}

/* ---------- hero ---------- */
.page-contact .co-hero {
  padding: clamp(16px, 2.6vw, 28px) 0 var(--co-pad-y);
  background-color: var(--c-paper);
  background-image:
    linear-gradient(to right, rgba(201, 203, 216, .45) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(201, 203, 216, .45) 1px, transparent 1px);
  background-size: 68px 68px;
  background-position: -1px -1px;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .co-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  align-items: end;
}

.page-contact .co-hero__copy {
  min-width: 0;
  padding-right: 6px;
}

.page-contact .co-hero__title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.04;
  letter-spacing: -.02em;
  margin: 14px 0 0;
  transform: skewX(-6deg);
  transform-origin: left bottom;
}

.page-contact .co-hero__lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--c-graphite);
}

.page-contact .co-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .co-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-contact .co-facts__item {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .co-facts__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-red);
  line-height: 1;
}

.page-contact .co-facts__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-graphite);
}

.page-contact .co-hero__figure {
  margin: 0;
  min-width: 0;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
  background: linear-gradient(150deg, var(--c-ink), var(--c-graphite));
}

.page-contact .co-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .co-hero__cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--c-paper);
  background: var(--c-ink);
  padding: 10px 14px;
}

/* ---------- tracks ---------- */
.page-contact .co-tracks {
  padding: var(--co-pad-y) 0 clamp(34px, 5vw, 60px);
}

.page-contact .co-tracks__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--co-gap);
  align-items: start;
}

.page-contact .co-track {
  position: relative;
  padding: 18px 20px 16px;
  min-width: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  transition: box-shadow 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .co-track:hover {
  box-shadow: inset 0 0 0 3px var(--co-ring);
  transform: translateY(-2px);
}

.page-contact .co-track--red {
  background: var(--c-red);
  color: var(--c-white);
  --co-ring: rgba(255, 255, 255, .7);
}

.page-contact .co-track--blue {
  background: var(--c-blue);
  color: var(--c-ink);
  --co-ring: rgba(26, 26, 46, .45);
}

.page-contact .co-track--yellow {
  background: var(--c-yellow);
  color: var(--c-ink);
  --co-ring: rgba(26, 26, 46, .45);
}

.page-contact .co-track--ink {
  background: var(--c-graphite);
  color: var(--c-paper);
  --co-ring: rgba(76, 201, 240, .85);
}

.page-contact .co-track__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 10px;
  row-gap: 2px;
}

.page-contact .co-track__head::after {
  content: "＋";
  grid-column: 2;
  grid-row: 2;
  font-family: var(--font-mono);
  font-size: 15px;
  opacity: .8;
  justify-self: start;
}

.page-contact .co-track[open] .co-track__head::after {
  content: "－";
}

.page-contact .co-track__idx {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1;
  opacity: .85;
}

.page-contact .co-track__title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 21px);
  line-height: 1.3;
}

.page-contact .co-track__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  opacity: .82;
}

.page-contact .co-track__body {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid currentColor;
  border-color: color-mix(in srgb, currentColor 34%, transparent);
}

.page-contact .co-track__list {
  margin: 0;
}

.page-contact .co-track__row {
  margin-bottom: 10px;
}

.page-contact .co-track__row:last-child {
  margin-bottom: 0;
}

.page-contact .co-track__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  opacity: .82;
}

.page-contact .co-track__row dd {
  margin: 3px 0 0;
  font-size: 14px;
  line-height: 1.62;
}

.page-contact .co-tracks__note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-graphite);
}

.page-contact .co-tracks__note a {
  color: var(--c-ink);
  text-decoration: underline;
  text-decoration-color: var(--c-blue);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* ---------- flow ---------- */
.page-contact .co-flow {
  padding: var(--co-pad-y) 0;
  background-color: var(--c-white);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .co-flow__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-contact .co-flow__item {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 30px) clamp(52px, 7vw, 68px);
}

.page-contact .co-flow__item::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: 0;
  width: 2px;
  background: var(--c-line);
}

.page-contact .co-flow__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 4px;
  background: var(--c-blue);
}

.page-contact .co-flow__item:last-child {
  padding-bottom: 0;
}

.page-contact .co-flow__item:last-child::before {
  display: none;
}

.page-contact .co-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--c-red);
  line-height: 1;
  margin-top: 16px;
}

.page-contact .co-flow__body {
  margin-top: 8px;
}

.page-contact .co-flow__title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 21px);
  line-height: 1.35;
  margin: 0;
}

.page-contact .co-flow__text {
  margin: 8px 0 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-graphite);
}

.page-contact .co-flow__who {
  display: inline-block;
  margin-top: 10px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-ink);
  background: var(--c-yellow);
}

.page-contact .co-flow__foot {
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-graphite);
}

.page-contact .co-flow__foot a {
  color: var(--c-ink);
  text-decoration: underline;
  text-decoration-color: var(--c-blue);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* ---------- contact ---------- */
.page-contact .co-contact {
  padding: var(--co-pad-y) 0;
  background-color: var(--c-ink);
  background-image:
    linear-gradient(to right, rgba(201, 203, 216, .1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(201, 203, 216, .1) 1px, transparent 1px);
  background-size: 84px 84px;
  color: var(--c-paper);
}

.page-contact .co-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 26px);
}

.page-contact .co-contact__card {
  min-width: 0;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--c-deep);
  border-left: 4px solid var(--c-red);
}

.page-contact .co-fields {
  margin: 0;
}

.page-contact .co-fields__row {
  padding: 12px 0;
  border-bottom: 1px solid rgba(201, 203, 216, .22);
}

.page-contact .co-fields__row:first-child {
  padding-top: 0;
}

.page-contact .co-fields__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .co-fields__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--c-blue);
}

.page-contact .co-fields__v {
  margin: 6px 0 0;
  font-size: clamp(16px, 2.1vw, 19px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-white);
  overflow-wrap: anywhere;
}

.page-contact .co-contact__note {
  min-width: 0;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--c-graphite);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .co-contact__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 23px);
  line-height: 1.4;
  margin: 0 0 12px;
  color: var(--c-white);
}

.page-contact .co-contact__text {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(246, 244, 239, .82);
}

.page-contact .co-contact__note .btn {
  margin-top: 6px;
}

.page-contact .co-contact__figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
  min-width: 0;
  border: 1px solid rgba(201, 203, 216, .22);
}

.page-contact .co-contact__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: .78;
}

/* ---------- prep ---------- */
.page-contact .co-prep {
  padding: var(--co-pad-y) 0;
  background: var(--c-paper);
}

.page-contact .co-prep__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 42px);
  align-items: start;
}

.page-contact .co-prep__lede {
  margin: 12px 0 0;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-graphite);
}

.page-contact .co-prep__aside {
  margin: 16px 0 0;
  max-width: 30em;
  padding-left: 12px;
  border-left: 3px solid var(--c-yellow);
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-graphite);
}

.page-contact .co-prep__aside a {
  color: var(--c-ink);
  text-decoration: underline;
  text-decoration-color: var(--c-blue);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-contact .co-prep__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .co-prep__item {
  border-bottom: 1px solid var(--c-line);
}

.page-contact .co-prep__item:first-child {
  border-top: 1px solid var(--c-line);
}

.page-contact .co-prep__label {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 16px 2px;
  cursor: pointer;
}

.page-contact .co-prep__box {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .co-prep__mark {
  grid-column: 1;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid var(--c-ink);
  background: var(--c-white);
  transition: background 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .co-prep__box:checked + .co-prep__mark {
  background: var(--c-yellow);
  border-color: var(--c-ink);
  box-shadow: inset 0 0 0 3px var(--c-white);
}

.page-contact .co-prep__box:focus-visible + .co-prep__mark {
  outline: 2px solid var(--c-yellow);
  outline-offset: 3px;
}

.page-contact .co-prep__text {
  grid-column: 2;
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-graphite);
}

.page-contact .co-prep__text strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 800;
  color: var(--c-ink);
}

/* ---------- faq ---------- */
.page-contact .co-faq {
  padding: 0 0 var(--co-pad-y);
  background: var(--c-paper);
}

.page-contact .co-faq__list {
  border-top: 1px solid var(--c-line);
}

.page-contact .co-faq__item {
  border-bottom: 1px solid var(--c-line);
}

.page-contact .co-faq__q {
  position: relative;
  display: block;
  padding: 18px 40px 18px 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(15.5px, 2vw, 17.5px);
  line-height: 1.55;
  color: var(--c-ink);
  transition: color 160ms var(--ease);
}

.page-contact .co-faq__q::after {
  content: "＋";
  position: absolute;
  right: 4px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--c-red);
}

.page-contact .co-faq__item[open] .co-faq__q::after {
  content: "－";
}

.page-contact .co-faq__q:hover {
  color: var(--c-red);
}

.page-contact .co-faq__a {
  padding: 0 0 20px;
  max-width: 40em;
}

.page-contact .co-faq__a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--c-graphite);
}

.page-contact .co-faq__a a {
  color: var(--c-ink);
  text-decoration: underline;
  text-decoration-color: var(--c-blue);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* ---------- tail ---------- */
.page-contact .co-tail {
  padding: 0 0 clamp(40px, 6vw, 72px);
  background: var(--c-paper);
}

.page-contact .co-tail__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .co-tail__card {
  display: block;
  padding: clamp(18px, 2.6vw, 26px);
  text-decoration: none;
  color: var(--c-paper);
  background: var(--c-ink);
  border-left: 4px solid var(--c-red);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .co-tail__card--alt {
  background: var(--c-graphite);
  border-left-color: var(--c-blue);
}

.page-contact .co-tail__card:hover {
  transform: translateY(-2px);
  border-left-color: var(--c-yellow);
}

.page-contact .co-tail__kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--c-yellow);
}

.page-contact .co-tail__title {
  display: block;
  margin-top: 8px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(18px, 2.3vw, 22px);
  line-height: 1.35;
  color: var(--c-white);
}

.page-contact .co-tail__desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(246, 244, 239, .78);
}

.page-contact .co-tail__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-blue);
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .page-contact .co-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--c-line);
  }

  .page-contact .co-facts__item {
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    gap: 6px;
    padding: 14px 14px 14px 0;
    border-bottom: 0;
    border-right: 1px solid var(--c-line);
  }

  .page-contact .co-facts__item:last-child {
    border-right: 0;
  }

  .page-contact .co-tracks__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .co-contact__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-contact .co-prep__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }

  .page-contact .co-tail__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .co-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-contact .co-hero__figure {
    margin-bottom: 6px;
  }
}

@media (min-width: 1024px) {
  .page-contact .co-tracks__grid {
    grid-template-columns: 1.35fr 1.05fr 1fr .8fr;
  }

  .page-contact .co-track {
    min-height: 172px;
  }

  .page-contact .co-flow__item {
    padding-left: 84px;
  }

  .page-contact .co-flow__item::before {
    left: 21px;
  }

  .page-contact .co-flow__item::after {
    width: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .co-track,
  .page-contact .co-tail__card,
  .page-contact .co-prep__mark {
    transition: none;
  }

  .page-contact .co-track:hover,
  .page-contact .co-tail__card:hover {
    transform: none;
  }
}